Initial commit: LeadFlow lead generation platform

Full-stack Next.js 16 app with three scraping pipelines:
- AirScale CSV → Anymailfinder Bulk Decision Maker search
- LinkedIn Sales Navigator → Vayne → Anymailfinder email enrichment
- Apify Google SERP → domain extraction → Anymailfinder bulk enrichment

Includes Docker multi-stage build + docker-compose for Coolify deployment.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

components/shared/EmptyState.tsx

@@ -0,0 +1,21 @@
+import { LucideIcon } from "lucide-react";
+
+interface EmptyStateProps {
+  icon: LucideIcon;
+  title: string;
+  description: string;
+  action?: React.ReactNode;
+}
+
+export function EmptyState({ icon: Icon, title, description, action }: EmptyStateProps) {
+  return (
+    <div className="flex flex-col items-center justify-center py-20 text-center">
+      <div className="w-16 h-16 rounded-2xl bg-[#1e1e2e] flex items-center justify-center mb-4">
+        <Icon className="w-8 h-8 text-gray-500" />
+      </div>
+      <h3 className="text-base font-semibold text-white mb-2">{title}</h3>
+      <p className="text-sm text-gray-500 max-w-sm mb-6">{description}</p>
+      {action}
+    </div>
+  );
+}